package org.jeecg.weixin.common.util.http;

import org.jeecg.weixin.common.enums.WxType;
import org.jeecg.weixin.common.error.WxError;
import org.jeecg.weixin.common.error.WxErrorException;
import org.jeecg.weixin.common.util.http.apache.ApacheSimpleGetRequestExecutor;
import org.jeecg.weixin.common.util.http.jodd.JoddHttpSimpleGetRequestExecutor;
import org.jeecg.weixin.common.util.http.okhttp.OkHttpSimpleGetRequestExecutor;

import java.io.IOException;

/**
 * 简单的GET请求执行器. 请求的参数是String, 返回的结果也是String
 *
 * @author Daniel Qian
 */
public abstract class SimpleGetRequestExecutor<H, P> implements RequestExecutor<String, String> {
	protected RequestHttp<H, P> requestHttp;

	public SimpleGetRequestExecutor(RequestHttp<H, P> requestHttp) {
		this.requestHttp = requestHttp;
	}

	@Override
	public void execute(String uri, String data, ResponseHandler<String> handler, WxType wxType)
			throws WxErrorException, IOException {
		handler.handle(this.execute(uri, data, wxType));
	}

	public static RequestExecutor<String, String> create(RequestHttp<?, ?> requestHttp) {
		switch (requestHttp.getRequestType()) {
		case APACHE_HTTP:
			return new ApacheSimpleGetRequestExecutor(requestHttp);
		case JODD_HTTP:
			return new JoddHttpSimpleGetRequestExecutor(requestHttp);
		case OK_HTTP:
			return new OkHttpSimpleGetRequestExecutor(requestHttp);
		default:
			throw new IllegalArgumentException("非法请求参数");
		}
	}

	protected String handleResponse(WxType wxType, String responseContent) throws WxErrorException {
		WxError error = WxError.fromJson(responseContent, wxType);
		if (error.getErrorCode() != 0) {
			throw new WxErrorException(error);
		}

		return responseContent;
	}
}
